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50ZHK: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
6
A08207
Fig. 7 – Typical Installation
*
Table 1 – Physical Data
UNIT SIZE
024
030
036
042
048
060
NOMINAL CAPACITY (ton)
2
2.5
3
3.5
4
5
SHIPPING WEIGHT (lb)
(kg)
312
142
333
151
334
152
388
177
407
185
475
215
COMPRESSOR TYPE
SCROLL
REFRIGERANT
R-410A
REFRIGERANT QUANTITIY (lb)
QUANTITY (kg)
6.3
2.9
9.8
3.1
6.8
3.1
7.7
3.5
9.0
4.1
12.0
5.4
OUTDOOR METERING DEVICE
TXV
Piston
TXV
Piston
ORIFICE ID (in.)
(mm)
-
-
0.055
1.397
0.057
1.448
0.059
1.499
-
-
0.070
1.778
OUTDOOR COIL
ROWS...FINS/in.
FACE AREA (sq. ft)
1...20
9.1
1...20
9.1
2...20
9.1
2...20
10.2
2...20
13.0
2...20
15.5
OUTDOOR FAN
NOMINAL AIRFLOW (CFM)
DIAMETER (in.)
DIAMETER (mm)
MOTOR HP (RPM)
2000
20
508
1/8 (825)
2000
20
508
1/8 (825)
2800
20
508
1/4 (1100)
3100
20
508
1/4 (1100)
3100
20
508
1/4 (1100)
3300
20
508
1/3 (1100)
INDOOR METERING DEVICE
Piston
TXV
TXV
ORIFICE ID (in.)
(mm)
0.057
1.448
0.063
1.600
0.067
1.702
0.076
1.930
-
-
-
-
INDOOR COIL
ROWS...FINS/in.
FACE AREA (sq. ft)
2...12
4.3
3…15
4.3
3...15
4.3
3...15
4.9
3...15
4.9
3...15
6.1
INDOOR BLOWER
NOMINAL COOLING AIRFLOW (CFM)
NOMINAL SIZE D x L (in.)
(mm)
MOTOR (HP)
800
8 x 11
254 x 203
1/3
1000
8 x 11
254 x 203
1/2
1200
9 x 12
279 x 229
1/2
1400
9 x 12
279 x 229
1/2
1600
11 x 12
279 x 229
3/4
1850
11 x 12
267 x 305
1
HIGH-PRESSURE SWITCH (psig)
CUTOUT
RESET (AUTO)
650 +/- 15
420 +/- 25
LOW-PRESSURE SWITCH (psig)
CUTOUT
RESET (AUTO)
20 +/- 5
45 +/- 10
RETURN-AIR FILTERS
*
THROWAWAY (in.)
(mm)
*. Required filter sizes shown are based on the AHRI (Air Conditioning, Heating & Refrigeration Institute) rated airflow at a velocity of 300 ft/min (91 m)
for throwaway type or 450 ft/min (137 m) for high capacity type. Recommended filters are 1-in. (25 mm) thick.
20x20x1
508x508x25
20x24x1
508x610x25
24x30x1
610x762x
25
24x36x1
610x914x25
TOP COVER
INDOOR
THERMOSTAT
DISCONNECT
PER NEC
(UNIT AND
ELECTRIC
HEATER)
FROM
POWER
SOURCE
RETURN
AIR
POWER AND
LOW-VOLTAGE
ENTRY
COMPOSITE
RUST-PROOF
BASEPAN
CONDENSATE
DRAIN
CONNECTION
Power Wiring
Control Wiring
Condenser Airflow
Evaporator Airflow